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我先把平面上的撞击情况先表示出来,然后我再BFS!不对啊?!

Posted by 5thgfka at 2009-06-28 02:06:18 on Problem 3669 
其他点都为-1
如果找到一个点是-1就返回当前的时间,
如果当前时间小于要访问的那个点的值或者要访问的那个点为-1,就可以入队列.
MS是这样吧!?
但是第5组数据算出来是10诶...不是13...郁闷诶...
麻烦哪位大牛看看涅...
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